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Cheap flights from Sydney to Phnom Penh

SYD — PNH
27 Jun — 4 Jul1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Sydney to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 May 2026.

Popular in

December

Cheapest in

October

Average price

$991
Highest demand for flights based on searches. 15% potential increase in price ($254 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($59 potential savings vs. average return price).
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Average for round-trip flights in May 2026
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Best time to book a flight from Sydney to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Phnom Penh

How far ahead should I book a flight from Sydney to Phnom Penh?

To ensure you get the cheapest price possible for a flight from Sydney to Phnom Penh, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Sydney to Phnom Penh?

Currently, October is the cheapest month in which you can book a flight from Sydney to Phnom Penh (average of $844). Flying from Sydney to Phnom Penh in December is currently the most expensive (average of $1,446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phnom Penh. Reviews last updated 28 May 2026.
Read through reviews of airlines operating flights from Sydney to Phnom Penh, such as Singapore Airlines,Vietnam Airlines, andCathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,523 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Singapore Airlines
8.2
Very Good
1,523 reviews
Singapore Airlines
8.2
Very Good
1,523 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Vietnam Airlines
7.7
Good
271 reviews
Singapore Airlines
8.2
Very Good
1,523 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Cathay Pacific
7.6
Good
1,346 reviews
Singapore Airlines
8.2
Very Good
1,523 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
China Southern
7.5
Good
152 reviews
Singapore Airlines
8.2
Very Good
1,523 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Malaysia Airlines
7.4
Good
308 reviews
Singapore Airlines
8.2
Very Good
1,523 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Sydney to Phnom Penh round-trip?

    Currently priced at $604, Vietnam Airlines will fly you from Sydney to Phnom Penh and back. In addition to Vietnam Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and Malaysia Airlines - these airlines can fly you to your destination from $637 and $641, respectively. Vietnam Airlines is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Sydney to Phnom Penh one-way?

    One-way options have recently been found by users for as low as $293 on AirAsia X. Other airlines that offer cheap prices include Singapore Airlines from $337 and China Southern from $410 one-way.

  • Where are the most common stopover locations when flying from Sydney to Phnom Penh?

    Most of the time, Sydney to Phnom Penh flights that have stopovers will stop in Singapore. Singapore is followed by Hong Kong in terms of the most popular stopover location on flights from Sydney to Phnom Penh. Kuala Lumpur sees the third most stopovers on flights from Sydney to Phnom Penh.

  • What are some popular things to do or see while on a stopover in Singapore?

    Sentosa, Universal Studios Singapore, and Merlion are currently the most popular points of interest in Singapore at the moment. Sentosa, Universal Studios Singapore, and Merlion can be visited by traveling about 21.6 km, 21.6 km, and 16.9 km respectively from Singapore Changi. Those landing in Singapore looking to spend some time exploring during their stopover can hire a car for about $132 per day.

  • What are some popular points of interest to see during a stopover in Hong Kong?

    The majority of Hong Kong visitors spend their time at Temple Street Night Market, Yau Ma Tei Fruit Market, and Mid-levels Escalators. Those on a layover in Hong Kong interested in visiting Temple Street Night Market, Yau Ma Tei Fruit Market, or Mid-levels Escalators can do so by travelling 25.8 km, 25.7 km, and 24.5 km, respectively from Hong Kong Intl.

  • What are points of interest worth seeing during a stopover in Kuala Lumpur?

    Most Kuala Lumpur visitors opt to spend their time at Petronas Towers, Kuala Lumpur Tower, and Berjaya Times Square. Petronas Towers, Kuala Lumpur Tower, and Berjaya Times Square can be accessed by travelling approximately 46.6 km, 46.0 km, and 44.9 km, respectively from Kuala Lumpur Intl. Travellers in need of a car in Kuala Lumpur can hire one for about $42 per day.

  • Where are the least popular stopover locations for Sydney to Phnom Penh flights?

    Sydney to Phnom Penh flights that have stopovers will least frequently stop in Ho Chi Minh City. Guangzhou is the second least popular location for stopovers on flights from Sydney to Phnom Penh.

  • Can I find deals for flights from Sydney to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on Sydney to Phnom Penh flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Phnom Penh.

  • Can I find deals for business class flights from Sydney to Phnom Penh?

    Yes. Cheapflights offers flight deals from Sydney to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Phnom Penh?

    Currently, October is the cheapest month in which you can book a flight from Sydney to Phnom Penh (average of $844). Flying from Sydney to Phnom Penh in December is currently the most expensive (average of $1,446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly from Sydney to Phnom Penh on these airlines

Choose from the following airlines for your flight from Sydney to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 28 May 2026.
Singapore Airlines flights from Sydney Kingsford Smith to Phnom Penh Pochentong
Malaysia Airlines flights from Sydney Kingsford Smith to Phnom Penh Pochentong
Vietnam Airlines flights from Sydney Kingsford Smith to Phnom Penh Pochentong

Top 7 airlines flying from Sydney to Phnom Penh

Discover the top 7 airlines that operate flights from Sydney to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest$604Average$701FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
China SouthernCheapest$637Average$1,014FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest$641Average$1,041FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest$734Average$1,126FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
XiamenAirCheapest$742Average$872FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
China EasternCheapest$752Average$881FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Cathay PacificCheapest$937Average$1,113FlexibilityNo cancel feeOn-time72%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Phnom Penh?

Deals for Sydney to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Phnom Penh?

Cheapflights helps you find that perfect flight to Phnom Penh from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to Phnom Penh with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Phnom Penh flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney to Phnom Penh become cheaper?

Of course! You can now track prices for flights from Sydney to Phnom Penh and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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